Disk cultivator



No. 608,830.- Patented Aug. 9, I898; A. L. BROCK.

' DISK CULTIVATOR; (AppHc ation filed July 10. 1897.) (No Model.) 3 Sheets-Sheet l.

WITNESSES [NVENTOR A Ito/Izzy ME "cams PETERS co. Pucn'uumof. WASHXNUYON. n, c.

N0. 608.830. Patented Aug. 9, I898.

A. L. BRUCK.

DISK GULTIVATOR.

(Application filed July 10, 1897.) (No Model.) 3 Sheets-Sheet 2.

WITNESSES INVENTOR No. 608,830. Patentad Aug. 9, I398. A. L. BRUCK.

DISK CULTIVATOR.

(Application filed July 10, 1897.) (No Model.) 3 Sheets-Sheet 3.v

WITNESSES 1 INVENTOR 7MZ2vn/L.Zmc7f h I 5 MM M 6 2 Attorney lUNlTFD @TATFS PATENT rricn.

ANDREW L. BROOK, OF LOOKI-IART, TEXAS.

DISK CULTIVATOR.

SPECIFICATION forming part of Letters Patent No. 608,830, dated August 9, 1898.

Application filed July 10, 1897.

To all whom it may concern.-

Be it known that I, ANDREW L. BROCK, of Lockhart, in the county of Oald well and State of Texas, have invented certain new and useful Improvements in Disk Cultivators; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to disk cultivators; and its object is to provide an improved form of disk cultivator that will be adapted for the various purposes to which such devices are ordinarily applied.

The invention consists in certain details of construction and combination and arrangement of parts, as will be hereinafter fully described and claimed.

In the accompanying drawings, Figure 1 is a side elevation of a disk cultivator constructed according to my principles. Fig. 2 is a top plan view thereof. Fig. 3 is a rear elevation of my improved device. Fig. 4 is detail perspective of the means by which I lift the cultivator-disks from the ground. Fig. 5 is a detail showing the manner in which I adjust the front end of my disk-bars. Fig. 6 is a detail showing the means by which I regulate the angle of my disks.

The numeral 1 indicates the draft-beam of my cultivator, which is supplied with the usual draft-gear. (Not deemed necessary to be here shown.) A hearing 2 is formed upon the axle and loosely engages a sleeve 3. An arch-bar axle 4 passes through said sleeve. Braces 5 securely hold said arch-bar axle in place, so that the sleeve will rotate freely thereon and in said bearing. Wheels 6 serve to support said cultivator, being held upon the arch-bar axle. A worm-gear is held upon said sleeve, as indicated at 7. Bearings 8 are formed upon the beam 1. A worm 9 is carried in said bearings and meshes with the gear 8. A hand-Wheel 10 is held to rotate said worm. A seat 11 is provided upon the draft-beam at any convenient position thereon, though preferably in the rear of said worm. A segment 12 is held upon said draftbcam, and a bent lever 13, provided with a Serial No. 644,109. (No model.)

latch 14, is held to move on said segment. The ends of the bent lever'are forked, as shown at 15, and the longer end thereof is provided with a handle 16. A pin 17 projects upward from said beam, for purposes hereinafter explained. An arch 18, preferably built of bar or other structural iron, extends over the draft-beam. An opening 19 in said bar fits over pin 17. Lugs 20 thereon are engaged by the forked ends of the lever 13. Openings 21 are made in the outwardlyextending portions of said arch. Beams 23 are pivotally attached to said arch by bolts 24,passing therethrough and each through one of the openings in the laterally-extending portions of said arch. It will be observed that from this construction I am enabled to separate or approximate the ends of these beams as desired. The rear ends of these beams are connected by an adjustable arch 23. Said beams are provided with a series of teeth 25. Forks 27 are provided with a similar series of teeth 28. Bolts 29 serve to hold said forks upon said bars, and it is plain that they may be held at any desired angle with the line of draft. Disks 30 are held to rotate in the said forks. Chains 31 serve to connect this entire structure with the rotating sleeve upon the arched axle before mentioned. It is now obvious that the cultivator-disks may be set at any desired angle with the line of draft and that the beams carrying the same may also be set at any desired width or angle. Further, it will be noted that by means of the lever afore said the beams carrying the disks may be set at various angles with the draft-beam. It is also obvious that the plow may be raised ontirely off the ground by rotating the handwheel. Heretofore it has been necessary to do this by means of a lever-a difficult operation on account of its weight and on account of the limited motion afforded by the lever. It will be seen that the Worm and worm-wheel are supplied to afford a highly-eificient means for accomplishing this object in the best possible manner.

It is obvious that the device is susceptible of various changes in the form, proportion, and minor details of construction, which may be resorted to without departing from the principle or sacrificing any of the advantages of the invention.

Having thus described the invention, what is claimed as new is- 1. A disk cultivator, involving the combination of cultivator or plow beams, an arch with which said beams are adjustably connected, a second arch adjustable for width, and cultivator-disks adapted to be adjusted to any desired angle with the beams.

2. In a disk cultivator, the combination with an arch having laterally-extended portions provided with a series of holes therein, a second arch adjustable for Width, beams connected to the ends of said second arch and to one of the openings in each of said laterally-extended portions of the first-mentioned arch, and cultivator-disks adjustably mounted upon said beams, substantially as described.

3. In a disk cultivator, the combination with an arch having laterally-extended portions provided with a series of holes therein, a second arch adjustable for Width, beams connected to the ends of said second arch and 

